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MK 2 Drive gear


Matt Clayborne
 

One of my Atlas's gears lost a tooth and took out the drive gear attached to the drive pulley. The part number 560-194 is stamped in it. I see plenty of parts for the 618 but none for the MK2. Can a part be found for purchase, or is my lathe now an paper weight?

Thanks for your consideration to those who respond.


 

Below is a screen shot from my manual parts diagram.? Searching eBay may be one possible source.? Calling Clausing may be a better chance, but I don't have the number.? When I did have the number, they didn't have the part I was after (drive coupler) but did send a factory drawing.? Not sure that would help you, however.

Rick


Matt Clayborne
 

Thank you very much for your response. I sent an email out to clausing this morning and searched Ebay with no luck. Hoping someone who sees this either has one theyd part with or know someone who might as the two avenues I haven't had luck with.?


 

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It’s possible that the part you need may be identical to a older model lathe.?
Atlas typically likes to keep everything the same for each model over the years.?
I agree that calling Clausing may help.?
If you don’t have any luck,
reply back here with pictures and dimensions.?

On May 4, 2024, at 6:07?PM, Matt Clayborne via groups.io <matt.clayborne@...> wrote:

?Thank you very much for your response. I sent an email out to clausing this morning and searched Ebay with no luck. Hoping someone who sees this either has one theyd part with or know someone who might as the two avenues I haven't had luck with.?


 

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Is it a gear that can be 3D printed ? Theres several Craftsman lathe print files that can be DL 'd online .

animal

On 5/4/24 6:07 PM, Matt Clayborne via groups.io wrote:

Thank you very much for your response. I sent an email out to clausing this morning and searched Ebay with no luck.

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Matt Clayborne
 

the gear and the pulley are one cast peice, the files you can find online are the change gears for threading. I do have a 3d printer but not the skills to re-create the pulley/gear in fusion.


 

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Like mentioned if ya call Clausing on Monday & ask about the p[art , if they no longer carry the part they will send you the drawing for the part which ya can make or have someone else make it for you . If you do get the drawing please put it in the files section , it may help someone else down the road .

animal

On 5/4/24 9:49 PM, Matt Clayborne via groups.io wrote:

the gear and the pulley are one cast peice, the files you can find online are the change gears for threading. I do have a 3d printer but not the skills to re-create the pulley/gear in fusion.


 

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Can anyone provide the phone number for Clausing?? I had it at one time and probably still do, in my notes that are with the lathe but I am not at home for another several days.?

Rick

On 5/4/2024 10:17 PM, mike allen wrote:

Like mentioned if ya call Clausing on Monday & ask about the p[art , if they no longer carry the part they will send you the drawing for the part which ya can make or have someone else make it for you . If you do get the drawing please put it in the files section , it may help someone else down the road .

animal

On 5/4/24 9:49 PM, Matt Clayborne via groups.io wrote:Can
the gear and the pulley are one cast peice, the files you can find online are the change gears for threading. I do have a 3d printer but not the skills to re-create the pulley/gear in fusion.


 

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800.323.0972

On 5/4/24 10:21 PM, Rick Kruger wrote:

Can anyone provide the phone number for Clausing?? I had it at one time and probably still do, in my notes that are with the lathe but I am not at home for another several days.?

Rick

On 5/4/2024 10:17 PM, mike allen wrote:

Like mentioned if ya call Clausing on Monday & ask about the p[art , if they no longer carry the part they will send you the drawing for the part which ya can make or have someone else make it for you . If you do get the drawing please put it in the files section , it may help someone else down the road .

animal

On 5/4/24 9:49 PM, Matt Clayborne via groups.io wrote:Can
the gear and the pulley are one cast peice, the files you can find online are the change gears for threading. I do have a 3d printer but not the skills to re-create the pulley/gear in fusion.


 

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Is Tom McNett still at clausing, or did he finally retire?

Get


From: [email protected] <[email protected]> on behalf of mike allen <animal@...>
Sent: Sunday, May 5, 2024 1:23:07 AM
To: [email protected] <[email protected]>
Subject: Re: [atlas-craftsman IO] MK 2 Drive gear
?

800.323.0972

On 5/4/24 10:21 PM, Rick Kruger wrote:
Can anyone provide the phone number for Clausing?? I had it at one time and probably still do, in my notes that are with the lathe but I am not at home for another several days.?

Rick

On 5/4/2024 10:17 PM, mike allen wrote:

Like mentioned if ya call Clausing on Monday & ask about the p[art , if they no longer carry the part they will send you the drawing for the part which ya can make or have someone else make it for you . If you do get the drawing please put it in the files section , it may help someone else down the road .

animal

On 5/4/24 9:49 PM, Matt Clayborne via groups.io wrote:Can
the gear and the pulley are one cast peice, the files you can find online are the change gears for threading. I do have a 3d printer but not the skills to re-create the pulley/gear in fusion.


 




It’s possible that the part you need may be identical to a older model lathe.?
Atlas typically likes to keep everything the same for each model over the years.?

?Jim F,

That is not possible, the head stock of the MK2 is a complete redesign

I have a 618, the gear that is broke off his drive pulley is on the opposite side of the drive pulley than? 618.

MK2 gear is closer to the bull gear(part 5 in the diagram), the 618 is closer to the change gear train

The back gears of the two versions of the lathes are different lengths

Also how you disengage the pulley from the spindle to engage the back gear is also a complete redesign,

It appears the MK2 spindle turns inside his pulley when using back gear, where as the 618 the bull gear is the gear free wheeling on the spindle, being driven by the small gear on the back gear shaft

It appears nothing inside the headstock is interchangeable?

sorry to bear the bad news


Matt Clayborne
 

Thanks for all your replies! I had looked at the drive pulleys for 618's and found them to be completely different and had already written them off as a source of good parts. I plan on calling Clausing Monday and hopefully they can send me some drawings if nothing else then I can pay someone to model them in their choice of CAD software. It is not where I wanted to be but at least I have a path forward. I have seen the headstocks come across Ebay infrequently and had thought about bidding... next time I will! Thanks again to those who responded.?


 

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Once you have your drawings, go to fiverr.com and find someone to do a cad drawing and an STL for it.?

I paid a guy 15 bucks to do that one time for me, so the price is not horrible.?

3d printing will probably cost more. Make sure the STL is 100% infill and the nozzle used is the smallest one because large nozzles make for very coarse parts.

Get


From: [email protected] <[email protected]> on behalf of Matt Clayborne via groups.io <matt.clayborne@...>
Sent: Sunday, May 5, 2024 1:53:20 PM
To: [email protected] <[email protected]>
Subject: Re: [atlas-craftsman IO] MK 2 Drive gear
?
Thanks for all your replies! I had looked at the drive pulleys for 618's and found them to be completely different and had already written them off as a source of good parts. I plan on calling Clausing Monday and hopefully they can send me some drawings if nothing else then I can pay someone to model them in their choice of CAD software. It is not where I wanted to be but at least I have a path forward. I have seen the headstocks come across Ebay infrequently and had thought about bidding... next time I will! Thanks again to those who responded.?


Matt Clayborne
 

I actually have a fairly decent 3d printer so printing them out wont be an issue, but thanks for the advice on where to go to have one modeled. If I have to go that route, I would probably print them just to get it running and eventually have one machined out of alumimun. This part drive the entire lathe and I am not entirely convinced that even a part printed in CF PA6/PA12 would hold up to long but on the other hand if the printed gear fails it likely wont take any other gears with it.?


 

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A lot of modern machines have nylon gears and they work for years. Not sure you can print nylon. I don't have much experience with 3d printing other than finding out that a 0.65 nozzle makes for coarse parts. 0.35 nozzle yields nicer results.?

Get


From: [email protected] <[email protected]> on behalf of Matt Clayborne via groups.io <matt.clayborne@...>
Sent: Sunday, May 5, 2024 2:10:37 PM
To: [email protected] <[email protected]>
Subject: Re: [atlas-craftsman IO] MK 2 Drive gear
?
I actually have a fairly decent 3d printer so printing them out wont be an issue, but thanks for the advice on where to go to have one modeled. If I have to go that route, I would probably print them just to get it running and eventually have one machined out of alumimun. This part drive the entire lathe and I am not entirely convinced that even a part printed in CF PA6/PA12 would hold up to long but on the other hand if the printed gear fails it likely wont take any other gears with it.?


 
Edited

On Sun, May 5, 2024 at 11:34 AM, Andrei wrote:
A lot of modern machines have nylon gears and they work for years. Not sure you can print nylon. I don't have much experience with 3d printing other than finding out that a 0.65 nozzle makes for coarse parts. 0.35 nozzle yields nicer results.?
?
Get

From: [email protected] <[email protected]> on behalf of Matt Clayborne via groups.io <matt.clayborne@...>
Sent: Sunday, May 5, 2024 2:10:37 PM
To: [email protected] <[email protected]>
Subject: Re: [atlas-craftsman IO] MK 2 Drive gear
?
I actually have a fairly decent 3d printer so printing them out wont be an issue, but thanks for the advice on where to go to have one modeled. If I have to go that route, I would probably print them just to get it running and eventually have one machined out of aluminum. This part drive the entire lathe and I am not entirely convinced that even a part printed in CF PA6/PA12 would hold up to long but on the other hand if the printed gear fails it likely wont take any other gears with it.?
I did something similar in the past couple years.? First, I machined the part (first photo below) just to design it and then took it to my favorite CNC shop.? They declined to even give me a bit.? So, I had it modeled in 3D & generate the STL file and then had it 3D printed in metal (second photo below).?

For my application, I went with steel infused with brass, followed by nickel plating.? MUCH smaller than what is under discussion here.? 2-3 yrs ago, the price was fairly reasonable, but at least doubled in the interim.? I had the printing done at which offers a wide range of materials, including a .? For your gear part, I expect cost may be prohibitive done in metal.?

I have other projects I'd like to do with 3D printing, but have not made it far enough into the modeling realm (Fusion360) to make if feasible.?

Rick


 

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You can print nylon, but it takes extra expertise and is more strenuous on the printer due to higher temperatures. My Prusa printer would need an enclosure and some temperature controls before I could even consider it.

Mark N

On 5/5/24 4:25 PM, Rick Kruger wrote:

On Sun, May 5, 2024 at 11:34 AM, Andrei wrote:
A lot of modern machines have nylon gears and they work for years. Not sure you can print nylon. I don't have much experience with 3d printing other than finding out that a 0.65 nozzle makes for coarse parts. 0.35 nozzle yields nicer results.?
?


 

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Is there anyway that ya could shave the gear o0ff the pulley & then pin a new gear to the pulley ?

animal

On 5/5/24 11:10 AM, Matt Clayborne via groups.io wrote:

This part drive the entire lathe and I am not entirely convinced that even a part printed in CF PA6/PA12 would hold up to long but on the other hand if the printed gear fails it likely wont take any other gears with it.?


Matt Clayborne
 

My brother has a leblond? lathe so I could face off the gear but without a similar gear I wouldnt be able to progress any further than that. The working plan as of now is if I can get a parts diagram from clausing I will pay to have the gear modled and 3d print it in some nylon. I will turn out a bronze bushing on my brothers lathe and press it into the pulley then press the gear onto the bushing. But that plan is contengent on getting the plans from Clausing and as someone wanted to see a pic in another user group I posted in I thought I'd share it here as well.


 

If you can find the specs on the pulley you might find one on McMaster carr.

Dave

On Sun, May 5, 2024, 20:06 Matt Clayborne via <matt.clayborne=[email protected]> wrote:
My brother has a leblond? lathe so I could face off the gear but without a similar gear I wouldnt be able to progress any further than that. The working plan as of now is if I can get a parts diagram from clausing I will pay to have the gear modled and 3d print it in some nylon. I will turn out a bronze bushing on my brothers lathe and press it into the pulley then press the gear onto the bushing. But that plan is contengent on getting the plans from Clausing and as someone wanted to see a pic in another user group I posted in I thought I'd share it here as well.